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But Palace have upped their bid to £12m, it is understood, with former Coventry City defender Sam Allardyce looking set to get his man.

The Dutch international spent five impressive months at the Ricoh Arena during the first half of the 2009/10 season, making 20 appearances for the Sky Blues before being recalled by parent club Chelsea.

He signed for the Black Cats in the summer of 2014.

He has scored eight goals in 95 appearances in all competitions for Sunderland.

Palace reportedly made enquiries over Tottenham Hotspur’s Ben Davies, Leeds United’s Robbie Brady and Patrice Evra, who is at Juventus, before finally making progress on Van Aanholt.